From: Alex Deucher <alexander.deucher@xxxxxxx>
Handle the 16 bank case.
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
---
drivers/gpu/drm/radeon/evergreen.c | 14 +++++++++++---
1 files changed, 11 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index 30f5c31..475984a 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -2005,10 +2005,18 @@ static void evergreen_gpu_init(struct radeon_device *rdev)
if (rdev->flags & RADEON_IS_IGP)
rdev->config.evergreen.tile_config |= 1 << 4;
else {
- if ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT)
- rdev->config.evergreen.tile_config |= 1 << 4;
- else
+ switch ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT) {
+ case 0: /* four banks */
rdev->config.evergreen.tile_config |= 0 << 4;
+ break;
+ case 1: /* eight banks */
+ rdev->config.evergreen.tile_config |= 1 << 4;
+ break;
+ case 2: /* sixteen banks */
+ default:
+ rdev->config.evergreen.tile_config |= 2 << 4;
+ break;
+ }
}
rdev->config.evergreen.tile_config |= 0 << 8;
rdev->config.evergreen.tile_config |=
--
1.7.7.5
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